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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<project id="9f9ed1d6-0d0e-4f81-9f67-979cbbbdb80a" name="DM1000" version="1">
<files>
<filefolder id="a9f57fc8-c239-4574-a5da-f8fa2760024b" name="子模块">
<file relativepath="ALU.dlsche"/>
<file relativepath="PC.dlsche"/>
<file relativepath="REG.dlsche"/>
<file relativepath="MEM.dlsche"/>
<file relativepath="CU.dlsche"/>
<file relativepath="uPC_NEXT.dlsche"/>
<file relativepath="MUL.dlsche"/>
<file relativepath="MUL_unit.dlsche"/>
</filefolder>
<filefolder id="80f1035e-e898-408b-bb0c-e69c72ad13b4" name="汇编源程序">
<file relativepath="ram.asm"/>
<file relativepath="ram.bat"/>
</filefolder>
<filefolder id="03f70f98-2bea-4829-91ee-a9e5f6ee0c87" name="微指令源程序">
<file relativepath="rom.masm"/>
<file relativepath="rom.bat"/>
</filefolder>
<filefolder id="be71b6f0-d920-4758-8b3a-3a343b490c2e" name="存储器映射文件">
<file relativepath="ram.rxm"/>
<file relativepath="rom.rxm"/>
</filefolder>
<file relativepath="DM1000.dlsche"/>
<file relativepath="README.md"/>
</files>
</project>
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MEM.dlsche 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
MEM.dlsche.svg 0 → 100644
浏览文件 @ b4a0a8e0
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MUL.dlsche 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
MUL.dlsche.svg 0 → 100644
浏览文件 @ b4a0a8e0
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<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="55" font-weight="400" text-anchor="start" x="2517" y="3951">P4</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="55" font-weight="400" text-anchor="start" x="3317" y="3951">P3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="250" font-weight="700" text-anchor="start" x="237" y="1251">四位阵列乘法器</text>
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<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2877" y="3451">NetLable22</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="2077" y="3451">NetLable23</text>
<text alignment-baseline="after-edge" fill="#800000" font-family="Times New Roman" font-size="25" font-weight="400" text-anchor="start" x="1277" y="3451">NetLable24</text>
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MUL_unit.dlsche 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
MUL_unit.dlsche.svg 0 → 100644
浏览文件 @ b4a0a8e0
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<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="105" font-weight="700" text-anchor="start" x="480" y="140">阵列乘法器运算单元</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="351" y="182">U7</text>
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<text alignment-baseline="after-edge" fill="#808080" font-family="微软雅黑" font-size="55" font-weight="400" text-anchor="start" x="940" y="440">一位全加器</text>
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PC.dlsche 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
PC.dlsche.svg 0 → 100644
浏览文件 @ b4a0a8e0
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="749" y="1456">B</text>
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<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="25" font-weight="400" text-anchor="start" x="1046" y="1216">低电平，PC加载新的地址，指令转移</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="150" font-weight="700" text-anchor="start" x="356" y="296">程序计数器PC模块</text>
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README.md 0 → 100644
浏览文件 @ b4a0a8e0
# 说明
DM1000 八位模型机
# 原理图
![raw svg](DM1000.dlsche.svg)
\ No newline at end of file
REG.dlsche 0 → 100644
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添加文件
REG.dlsche.svg 0 → 100644
浏览文件 @ b4a0a8e0
这个 源代码变更 因为 太大 而不能显示。 你可以 浏览blob 。
dmasm.c 0 → 100644
浏览文件 @ b4a0a8e0
/*******************************************************************************
*******************************************************************************/
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
typedef unsigned char BYTE;
typedef long BOOL;
#define FALSE 0
#define TRUE 1
#define MAX_LINE_LENGTH 256 // 一行代码最多可以有多少个字符
#define MAX_LINE_COUNT 1024 // 源代码文件最多可以有多少行
#define MAX_SYMBOL_LENGTH 64 // 一个符号最多可以包含多少个字符
#define MAX_SYMBOL_COUNT 256 // 源代码文件中最多可以包含多少个符号
#ifndef MAX_PATH
#define MAX_PATH 256 // 文件路径最多可以包含多少个字符
#endif
// 代码行数据库。记录源代码文件中所有代码行的信息（包括注释行、空行）
struct LINE_RECORD
{
char line_string[MAX_LINE_LENGTH]; // 代码行的内容
unsigned long line_num; // 行号
unsigned long address; // 此行代码转换的机器码在映像文件中的地址（偏移）
int machine_code_count; // 此行代码转换的机器码的字节数量
unsigned long flag; // 代码行标志位，32位
};
struct LINE_RECORD line_database[MAX_LINE_COUNT] = {0};
int line_count = 0;
int machine_code_line_count = 0; // 记录产生了机器码的代码行的数量
// 在此定义所有的代码行标志位。注意，代码行标志位是按位或的关系。
#define LF_INSTRUCTION 0x00000001 // 代码行标志位的最低位是1，表示此行是一条指令，否则表示此行是数据
// 重定位表。如果指令中使用了标号、变量名等符号，在第一次扫描时无法确定他们的地址，需要
// 在第二次扫描时进行重定位。
struct REALLOCATE
{
unsigned long address; // 第一次扫描时，在这里记录了需要重定位的机器码的地址（偏移），
// 第二次扫描时，根据符号的地址进行重定位。
char symbol_name[MAX_SYMBOL_LENGTH]; // 需要重定位的符号名称。
int line_num; // 行号。
};
struct REALLOCATE reallocate_table[MAX_LINE_COUNT] = {0};
int reallocate_count = 0;
// 符号表。符号包括源代码中的标号、变量名。
struct SYMBOL
{
char name[MAX_SYMBOL_LENGTH]; // 符号名称
unsigned long address; // 符号表示的地址。重定位时需要用到。
int machine_code_count; // 符号生成的机器码的数量（以字节为单位）。
int line_num; // 行号
int ref_count; // 引用计数
};
struct SYMBOL symbol_table[MAX_SYMBOL_COUNT] = {0};
int symbol_count = 0;
// 汇编过程的状态
enum
{
AS_BEGIN // 起始状态。在遇到代码段名称前，处于此状态
,AS_TEXT // 正在处理代码段。遇到代码段名称后，遇到数据的名称前，处于此状态
,AS_DATA // 正在处理数据段。遇到数据段名称后，处于此状态
};
unsigned long assembler_state = AS_BEGIN;
//
// 在下面定义所有的关键字
//
// 段名称
const char* code_section_keyword = ".text"; // 代码段标志
char const* data_section_keyword = ".data"; // 数据段标志
// 指令名称
const char* mov_instruction_keyword = "mov";
const char* jmp_instruction_keyword = "jmp";
const char* add_instruction_keyword = "add";
const char* adc_instruction_keyword = "adc";
const char* sub_instruction_keyword = "sub";
const char* sbb_instruction_keyword = "sbb";
const char* and_instruction_keyword = "and";
const char* or_instruction_keyword = "or";
const char* read_instruction_keyword = "read";
const char* write_instruction_keyword = "write";
const char* jc_instruction_keyword = "jc";
const char* jz_instruction_keyword = "jz";
const char* call_instruction_keyword = "call";
const char* in_instruction_keyword = "in";
const char* out_instruction_keyword = "out";
const char* ret_instruction_keyword = "ret";
const char* shr_instruction_keyword = "shr";
const char* shl_instruction_keyword = "shl";
const char* rcr_instruction_keyword = "rcr";
const char* rcl_instruction_keyword = "rcl";
const char* not_instruction_keyword = "not";
const char* iret_instruction_keyword = "iret";
const char* nop_instruction_keyword = "nop";
const char* int_instruction_keyword = "int";
const char* lea_instruction_keyword = "lea";
// 通用寄存器名称
const char* r0_register_keyword = "r0";
const char* r1_register_keyword = "r1";
const char* r2_register_keyword = "r2";
const char* r3_register_keyword = "r3";
const char* r0_register_indirect_keyword = "[r0]";
const char* r1_register_indirect_keyword = "[r1]";
const char* r2_register_indirect_keyword = "[r2]";
const char* r3_register_indirect_keyword = "[r3]";
const char* a_register_keyword = "a";
const char* sp_register_keyword = "sp";
const char* delimit_char = "\n\t\r "; // 需要忽略的空白字符
const char* delimit_char_comma = "\n\t\r, "; // 需要忽略的空白字符，包括英文逗号
// 汇编产生的机器码
#define MAX_MACHINE_CODE 1024
BYTE machine_code[MAX_MACHINE_CODE];
unsigned long machine_code_address = 0;
unsigned long machine_code_old_address = 0;
const char* assembly_file_name = NULL; // 汇编文件路径
const char* target_file_name = NULL; // 目标文件路径
const char* list_file_name = NULL; // 列表文件路径
const char* dbg_file_name = NULL; // 调试信息文件路径
const unsigned long dbg_file_magic = 58;
const unsigned long dbg_file_version = 1;
// 输出汇编过程中发现的语法错误信息
void error_msg(const char* error_msg, int line_num)
{
if(line_num >= 1)
{
printf("%s:%d: error: %s\n", assembly_file_name, line_num, error_msg);
}
else
{
printf("%s: error: %s\n", assembly_file_name, error_msg);
}
exit(1);
}
char formated_msg[1024]; // 将格式化后的错误信息放在此字符串中。
void error_msg_miss_op(const char* instruction_name, int line_num)
{
sprintf(formated_msg, "%s 指令缺少操作数。", instruction_name);
error_msg(formated_msg, line_num);
}
void error_msg_wrong_op(const char* instruction_name, int line_num)
{
sprintf(formated_msg, "%s 指令不支持这样的操作数。", instruction_name);
error_msg(formated_msg, line_num);
}
void error_msg_same_symbol(const char* symbol, int line_num, int ref_line_num)
{
sprintf(formated_msg, "符号 %s 重复定义。参见第 %d 行。", symbol, ref_line_num);
error_msg(formated_msg, line_num);
}
void error_msg_keyword_symbol(const char* symbol, int line_num)
{
sprintf(formated_msg, "不能使用保留的关键字 %s 作为符号名称。", symbol);
error_msg(formated_msg, line_num);
}
void error_msg_wrong_data(const char* data, int line_num)
{
sprintf(formated_msg, "%s 不是有效的数据。", data);
error_msg(formated_msg, line_num);
}
// 输出汇编过程中发现的警告信息
void warning_msg(const char* warning_msg, int line_num)
{
if(line_num >= 1)
{
printf("%s:%d: warning: %s\n", assembly_file_name, line_num, warning_msg);
}
else
{
printf("%s: warning: %s\n", assembly_file_name, warning_msg);
}
}
void warning_msg_invalid_line(int line_num)
{
warning_msg("忽略无效的代码行。", line_num);
}
void warning_msg_unref_symbol(const char* symbol, int line_num)
{
sprintf(formated_msg, "符号 %s 未被引用。", symbol);
warning_msg(formated_msg, line_num);
}
// 判断是否是立即数。如果是数字开头，或者是负号开头的，就认为是立即数。
int is_immediate(const char* token)
{
return (isdigit(token[0]) || '-' == token[0]) ? 1 : 0;
}
// 判断是否是主存数据
int is_main_memory(const char* token)
{
return (isdigit(token[0]) || '@' == token[0]) ? 1 : 0;
}
// 指令操作数类型
enum
{
OT_REGISTER_A // 累加器
,OT_REGISTER_R0 // r0
,OT_REGISTER_R1 // r1
,OT_REGISTER_R2 // r2
,OT_REGISTER_R3 // r3
,OT_REGISTER_R0_INDIRECT // [r0]
,OT_REGISTER_R1_INDIRECT // [r1]
,OT_REGISTER_R2_INDIRECT // [r2]
,OT_REGISTER_R3_INDIRECT // [r3]
,OT_IMMEDIATE // 立即数
,OT_SYMBOL // 符号
,OT_REGISTER_SP // 堆栈指针寄存器
};
// 得到指令操作数的类型
unsigned long get_operand_type(const char* op)
{
unsigned long op_type;
if(stricmp(op, a_register_keyword) == 0)
{
op_type = OT_REGISTER_A;
}
else if(stricmp(op, r0_register_keyword) == 0)
{
op_type = OT_REGISTER_R0;
}
else if(stricmp(op, r1_register_keyword) == 0)
{
op_type = OT_REGISTER_R1;
}
else if(stricmp(op, r2_register_keyword) == 0)
{
op_type = OT_REGISTER_R2;
}
else if(stricmp(op, r3_register_keyword) == 0)
{
op_type = OT_REGISTER_R3;
}
else if(stricmp(op, r0_register_indirect_keyword) == 0)
{
op_type = OT_REGISTER_R0_INDIRECT;
}
else if(stricmp(op, r1_register_indirect_keyword) == 0)
{
op_type = OT_REGISTER_R1_INDIRECT;
}
else if(stricmp(op, r2_register_indirect_keyword) == 0)
{
op_type = OT_REGISTER_R2_INDIRECT;
}
else if(stricmp(op, r3_register_indirect_keyword) == 0)
{
op_type = OT_REGISTER_R3_INDIRECT;
}
else if (stricmp(op, sp_register_keyword) == 0)
{
op_type = OT_REGISTER_SP;
}
else if(is_immediate(op))
{
op_type = OT_IMMEDIATE;
}
else
{
op_type = OT_SYMBOL;
}
return op_type;
}
// 根据 r? 寄存器和机器码的基础值，得到一个机器码
char get_machine_code_from_r(unsigned long op_type, char code_base)
{
return code_base + (char)(op_type - OT_REGISTER_R0);
}
// 根据 [r?] 寄存器和机器码的基础值，得到一个机器码
char get_machine_code_from_r_indirect(unsigned long op_type, char code_base)
{
return code_base + (char)(op_type - OT_REGISTER_R0_INDIRECT);
}
// 根据立即数得到一个机器码。注意，允许使用负数，所以返回值是带符号的 8 位 char。
char get_machine_code_from_immediate(const char* immediate)
{
char* end;
int start_index = (immediate[0] == '-' ? 1 : 0);
int base = (immediate[start_index] == '0' && (immediate[start_index + 1] == 'x' || immediate[start_index + 1] == 'X')) ? 16 : 10;
return (char)strtol(immediate, &end, base);
}
// 向重定位表中添加一个重定位信息
void add_reallocate(const char* symbol, int line_num)
{
reallocate_table[reallocate_count].address = machine_code_address;
strcpy(reallocate_table[reallocate_count].symbol_name, symbol);
reallocate_table[reallocate_count].line_num = line_num;
reallocate_count++;
}
// mov op1, op2
void parse_mov(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(mov_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// mov a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x70);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// mov a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x74);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// mov a, symbol
machine_code[machine_code_address] = 0x78;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// mov a, immediate
machine_code[machine_code_address] = 0x7c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else if((op1_type >= OT_REGISTER_R0 && op1_type <= OT_REGISTER_R3)
&& OT_REGISTER_A == op2_type)
{
// mov r?, a
machine_code[machine_code_address] = get_machine_code_from_r(op1_type, 0x80);
machine_code_address++;
}
else if((op1_type >= OT_REGISTER_R0_INDIRECT && op1_type <= OT_REGISTER_R3_INDIRECT)
&& OT_REGISTER_A == op2_type)
{
// mov [r?], a
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op1_type, 0x84);
machine_code_address++;
}
else if(OT_SYMBOL == op1_type && OT_REGISTER_A == op2_type)
{
// mov symbol, a
machine_code[machine_code_address] = 0x88;
machine_code_address++;
// 重定位
add_reallocate(op1, line_num);
machine_code_address++;
}
else if((op1_type >= OT_REGISTER_R0 && op1_type <= OT_REGISTER_R3)
&& OT_IMMEDIATE == op2_type)
{
// mov r?, immediate
machine_code[machine_code_address] = get_machine_code_from_r(op1_type, 0x8c);
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else if (OT_REGISTER_SP == op1_type && OT_IMMEDIATE == op2_type)
{
// mov sp, immediate
machine_code[machine_code_address] = 0x9c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(mov_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// jmp symbol
void parse_jmp(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(jmp_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// jmp symbol
machine_code[machine_code_address] = 0xAC;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(jmp_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// add op1, op2
void parse_add(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(add_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// add a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x10);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// add a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x14);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// add a, symbol
machine_code[machine_code_address] = 0x18;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// add a, immediate
machine_code[machine_code_address] = 0x1c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(add_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// adc op1, op2
void parse_adc(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(adc_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// adc a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x20);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// adc a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x24);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// adc a, symbol
machine_code[machine_code_address] = 0x28;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// adc a, immediate
machine_code[machine_code_address] = 0x2c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(adc_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// sub op1, op2
void parse_sub(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(sub_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// sub a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x30);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// sub a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x34);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// sub a, symbol
machine_code[machine_code_address] = 0x38;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// sub a, immediate
machine_code[machine_code_address] = 0x3c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(sub_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// sbb op1, op2
void parse_sbb(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(sbb_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// sbb a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x40);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// sbb a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x44);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// sbb a, symbol
machine_code[machine_code_address] = 0x48;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// sbb a, immediate
machine_code[machine_code_address] = 0x4c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(sbb_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// and op1, op2
void parse_and(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(and_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// and a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x50);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// and a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x54);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// and a, symbol
machine_code[machine_code_address] = 0x58;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// and a, immediate
machine_code[machine_code_address] = 0x5c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(and_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// or op1, op2
void parse_or(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(or_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0 && op2_type <= OT_REGISTER_R3))
{
// or a, r?
machine_code[machine_code_address] = get_machine_code_from_r(op2_type, 0x60);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type
&& (op2_type >= OT_REGISTER_R0_INDIRECT && op2_type <= OT_REGISTER_R3_INDIRECT))
{
// or a, [r?]
machine_code[machine_code_address] = get_machine_code_from_r_indirect(op2_type, 0x64);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// or a, symbol
machine_code[machine_code_address] = 0x68;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else if(OT_REGISTER_A == op1_type && OT_IMMEDIATE == op2_type)
{
// or a, immediate
machine_code[machine_code_address] = 0x6c;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op2);
machine_code_address++;
}
else
{
error_msg_wrong_op(or_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// lea a, symbol
void parse_lea(int line_num)
{
char *op1, *op2;
unsigned long op1_type, op2_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(lea_instruction_keyword, line_num);
}
op1_type = get_operand_type(op1);
op2_type = get_operand_type(op2);
if(OT_REGISTER_A == op1_type && OT_SYMBOL == op2_type)
{
// lea a, symbol
machine_code[machine_code_address] = 0x98;
machine_code_address++;
// 重定位
add_reallocate(op2, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(lea_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// read symbol
void parse_read(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(read_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// read symbol
machine_code[machine_code_address] = 0x90;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(read_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// write symbol
void parse_write(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(write_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// write symbol
machine_code[machine_code_address] = 0x94;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(write_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// jc symbol
void parse_jc(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(jc_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// jc symbol
machine_code[machine_code_address] = 0xA0;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(jc_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// jz symbol
void parse_jz(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(jz_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// jz symbol
machine_code[machine_code_address] = 0xA4;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(jz_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// call symbol
void parse_call(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(call_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_SYMBOL == op_type)
{
// call symbol
machine_code[machine_code_address] = 0xE8;
machine_code_address++;
// 重定位
add_reallocate(op, line_num);
machine_code_address++;
}
else
{
error_msg_wrong_op(call_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// int immediate
void parse_int(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(int_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_IMMEDIATE == op_type)
{
// int immediate
machine_code[machine_code_address] = 0xB8;
machine_code_address++;
machine_code[machine_code_address] = get_machine_code_from_immediate(op);
machine_code_address++;
}
else
{
error_msg_wrong_op(int_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// in
void parse_in(int line_num)
{
machine_code[machine_code_address] = 0xB0;
machine_code_address++;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// out
void parse_out(int line_num)
{
machine_code[machine_code_address] = 0xB4;
machine_code_address++;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// ret
void parse_ret(int line_num)
{
machine_code[machine_code_address] = 0xC8;
machine_code_address++;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// shr a
void parse_shr(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(shr_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_REGISTER_A == op_type)
{
machine_code[machine_code_address] = 0xD0;
machine_code_address++;
}
else
{
error_msg_wrong_op(shr_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// shl a
void parse_shl(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(shl_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_REGISTER_A == op_type)
{
machine_code[machine_code_address] = 0xD4;
machine_code_address++;
}
else
{
error_msg_wrong_op(shl_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// rcr a
void parse_rcr(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(rcr_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_REGISTER_A == op_type)
{
machine_code[machine_code_address] = 0xD8;
machine_code_address++;
}
else
{
error_msg_wrong_op(rcr_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// rcl a
void parse_rcl(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(rcl_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_REGISTER_A == op_type)
{
machine_code[machine_code_address] = 0xDC;
machine_code_address++;
}
else
{
error_msg_wrong_op(rcl_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// not a
void parse_not(int line_num)
{
char *op;
unsigned long op_type;
if(assembler_state != AS_TEXT)
{
warning_msg_invalid_line(line_num);
return;
}
op = strtok(NULL, delimit_char);
if(NULL == op)
{
error_msg_miss_op(not_instruction_keyword, line_num);
}
op_type = get_operand_type(op);
if(OT_REGISTER_A == op_type)
{
machine_code[machine_code_address] = 0xE4;
machine_code_address++;
}
else
{
error_msg_wrong_op(not_instruction_keyword, line_num);
}
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// iret
void parse_iret(int line_num)
{
machine_code[machine_code_address] = 0xF8;
machine_code_address++;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// nop
void parse_nop(int line_num)
{
machine_code[machine_code_address] = 0xE0;
machine_code_address++;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// 向符号表中添加一个符号
void add_symbol(const char* symbol, int line_num)
{
int i;
// 符号名称不能重复
for(i=0; i<symbol_count; i++)
{
if(stricmp(symbol, symbol_table[i].name) == 0)
{
error_msg_same_symbol(symbol, line_num, symbol_table[i].line_num);
}
}
// 符号数量有限
if(symbol_count == MAX_SYMBOL_COUNT)
{
sprintf(formated_msg, "定义了太多的符号。最多可以定义 %d 个符号。", MAX_SYMBOL_COUNT);
error_msg(formated_msg, line_num);
}
// 添加符号
strcpy(symbol_table[symbol_count].name, symbol);
symbol_table[symbol_count].address = machine_code_address;
symbol_table[symbol_count].line_num = line_num;
symbol_count++;
}
// 解析符号
void parse_symbol(const char* symbol_with_colon, int line_num)
{
char symbol[MAX_SYMBOL_LENGTH];
char* token;
// 删除符号末尾的冒号
strcpy(symbol, symbol_with_colon);
symbol[strlen(symbol) - 1] = 0;
if(AS_TEXT == assembler_state)
{
// 代码段中的标号作为符号。记录到符号表中，不产生机器码。
add_symbol(symbol, line_num);
// 标号必须单独占一行，否则报错
if (strtok(NULL, delimit_char) != NULL)
{
error_msg("标号必须单独占用一行。", line_num);
}
}
else if(AS_DATA == assembler_state)
{
// 数据段中的变量作为符号。一个变量可以包含多个字节数据。记录到符号表中，产生机器码。
add_symbol(symbol, line_num);
while((token = strtok(NULL, delimit_char)) != NULL)
{
if(!is_immediate(token))
{
error_msg_wrong_data(token, line_num);
}
machine_code[machine_code_address] = get_machine_code_from_immediate(token);
machine_code_address++;
symbol_table[symbol_count - 1].machine_code_count++;
}
}
else
{
warning_msg_invalid_line(line_num);
}
}
// 解析代码段开始标志
void parse_code_section_keyword(int line_num)
{
// 代码段标志
if(AS_DATA == assembler_state)
{
error_msg("代码段不能定义在数据段的后面。", line_num);
}
else if(AS_TEXT == assembler_state)
{
error_msg("定义了重复的代码段。", line_num);
}
assembler_state = AS_TEXT;
}
// 解析数据段开始标志
void parse_data_section_keyword(int line_num)
{
// 数据段标志
if(AS_DATA == assembler_state)
{
error_msg("定义了重复的数据段。", line_num);
}
else if(AS_BEGIN == assembler_state)
{
error_msg("数据段不能定义在代码段的前面。", line_num);
}
assembler_state = AS_DATA;
}
// 定义关键字和解析函数的对应关系
typedef void (*PARSE_FUNCTION)(int line_num);
struct KEYWORD_FUNCTION_ENTRY
{
const char** keyword;
PARSE_FUNCTION parse_function;
};
//
// 必须将关键字及其解析函数放在下面的表中。从而可以使用“表驱动”的编程模式。
//
struct KEYWORD_FUNCTION_ENTRY keyword_function_table[] =
{
{ NULL, NULL } // 未用
,{ &code_section_keyword, parse_code_section_keyword }
,{ &data_section_keyword, parse_data_section_keyword }
,{ &mov_instruction_keyword, parse_mov }
,{ &jmp_instruction_keyword, parse_jmp }
,{ &add_instruction_keyword, parse_add }
,{ &adc_instruction_keyword, parse_adc }
,{ &sub_instruction_keyword, parse_sub }
,{ &sbb_instruction_keyword, parse_sbb }
,{ &and_instruction_keyword, parse_and }
,{ &or_instruction_keyword, parse_or }
,{ &read_instruction_keyword, parse_read }
,{ &write_instruction_keyword, parse_write }
,{ &jc_instruction_keyword, parse_jc }
,{ &jz_instruction_keyword, parse_jz }
,{ &call_instruction_keyword, parse_call }
,{ &in_instruction_keyword, parse_in }
,{ &out_instruction_keyword, parse_out }
,{ &ret_instruction_keyword, parse_ret }
,{ &shr_instruction_keyword, parse_shr }
,{ &shl_instruction_keyword, parse_shl }
,{ &rcr_instruction_keyword, parse_rcr }
,{ &rcl_instruction_keyword, parse_rcl }
,{ &not_instruction_keyword, parse_not }
,{ &iret_instruction_keyword, parse_iret }
,{ &nop_instruction_keyword, parse_nop }
,{ &int_instruction_keyword, parse_int }
,{ &lea_instruction_keyword, parse_lea }
,{ &r0_register_keyword, NULL }
,{ &r1_register_keyword, NULL }
,{ &r2_register_keyword, NULL }
,{ &r3_register_keyword, NULL }
,{ &r0_register_indirect_keyword, NULL }
,{ &r1_register_indirect_keyword, NULL }
,{ &r2_register_indirect_keyword, NULL }
,{ &r3_register_indirect_keyword, NULL }
,{ &a_register_keyword, NULL }
,{ &sp_register_keyword, NULL }
};
// 判断是否是一个关键字。返回0，不是关键字；返回非0，是关键字，并且返回值就是关键字在表中的下标。
int match_keyword(const char* token)
{
int i;
for(i=1; i<sizeof(keyword_function_table)/sizeof(keyword_function_table[0]); i++)
{
if(stricmp(token, *keyword_function_table[i].keyword) == 0)
{
return i;
}
}
return 0;
}
// 判断是否是一个符号
int is_symbol(const char* token, int line_num)
{
int i;
char symbol_name[MAX_SYMBOL_LENGTH];
// 最后一个字符必须是冒号
if(token[strlen(token) - 1] != ':')
{
return 0;
}
// 第一个字符必须是字母或者下划线
if(token[0] != '_' && !isalpha(token[0]))
{
return 0;
}
// 后面的字符必须是字母、数字、下划线
for(i=0; i<(int)strlen(token)-2; i++)
{
if(token[i] != '_' && !isalpha(token[i]) && !isdigit(token[i]))
{
return 0;
}
}
// 不能与关键字相同
strcpy(symbol_name, token);
symbol_name[strlen(symbol_name) - 1] = 0;
if(match_keyword(symbol_name) != 0)
{
error_msg_keyword_symbol(symbol_name, line_num);
}
return 1;
}
// 输出版本信息
void version_msg()
{
printf(
"Engintime DM1000 8位模型机汇编器 [版本 2.0]\n"
);
}
// 输出帮助信息
void help_msg()
{
printf(
"Engintime DM1000 8位模型机汇编器。\n\n"
"用法:\n\n"
" dmasm.exe assembly_file_name [options]\n\n"
"选项:\n\n"
" -g debug_file_name\t指定生成的调试信息文件路径。\n"
" -h\t\t\t打印此帮助信息。\n"
" -l list_file_name\t指定生成的列表文件路径。\n"
" -o target_file_name\t指定生成的目标文件路径。若未指定，默认生成 a.obj 文件。\n"
" -v\t\t\t打印版本信息。\n"
);
printf("\n");
version_msg();
exit(1);
}
void argument_error_msg()
{
printf("命令行参数错误。\n\n");
help_msg();
}
// 处理器用户输入的命令行参数
void process_argument(int argc, char* argv[])
{
int i;
// argv[0] 是 "easm.exe"，所以可以忽略。
for(i=1; i<argc; i++)
{
if(strcmp(argv[i], "-v") == 0)
{
version_msg();
exit(1);
}
else if(strcmp(argv[i], "-h") == 0)
{
help_msg();
}
else if(strcmp(argv[i], "-o") == 0)
{
if(i + 1 < argc)
{
i++;
target_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(strcmp(argv[i], "-l") == 0)
{
if(i + 1 < argc)
{
i++;
list_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(strcmp(argv[i], "-g") == 0)
{
if(i + 1 < argc)
{
i++;
dbg_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(NULL == assembly_file_name && argv[i][0] != '-')
{
// 输入的汇编源代码文件路径。
assembly_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
//
// 如果命令行参数中没有指定输入的汇编文件，就打印错误信息后退出
//
if(NULL == assembly_file_name)
{
printf("命令行参数错误。没有指定汇编源代码文件的路径。\n");
help_msg();
}
}
// 将一个字符串写入二进制文件中。先将字符串长度写入文件，然后将字符串中的
// 每个字符依次写入文件，不包括字符串末尾的 0.
void write_string_to_binary_file(const char* str, FILE* fp)
{
int str_length;
if(str != NULL)
{
str_length = strlen(str);
fwrite(&str_length, 1, sizeof(str_length), fp);
fwrite(str, 1, str_length, fp);
}
else
{
str_length = 0;
fwrite(&str_length, 1, sizeof(str_length), fp);
}
}
int main(int argc, char* argv[])
{
FILE* fp;
char* token;
char line[MAX_LINE_LENGTH];
int i, j;
int line_num = 1; // 行号从第一行开始计数
int keyword_index;
//
// 处理命令行参数
//
process_argument(argc, argv);
//
// 打开汇编源代码文件
//
fp = fopen(assembly_file_name, "r");
if(NULL == fp)
{
printf("无法打开源代码文件 %s\n", assembly_file_name);
return 1;
}
//////////////////////////////////////////////////////////////////////////
// 第一遍扫描
version_msg();
printf("\n正在汇编 %s...\n", assembly_file_name);
//
// 一次读取一行文本，同时记录所有的代码行信息
//
while(fgets(line, sizeof(line), fp) != NULL)
{
//
// 将一行代码的信息记录到代码行数据库中
//
strcpy(line_database[line_count].line_string, line);
line_database[line_count].line_num = line_num;
line_database[line_count].address = machine_code_address;
//
// 将代码行中的注释剥离
//
line[strcspn(line, ";")] = 0;
//
// 开始解析代码行
//
token = strtok(line, delimit_char);
if(NULL == token)
{
// 如果是空行，不做任何处理
}
else if((keyword_index = match_keyword(token)) != 0
&& keyword_function_table[keyword_index].parse_function != NULL)
{
// 根据关键字进行相应的处理
keyword_function_table[keyword_index].parse_function(line_num);
}
else if(is_symbol(token, line_num))
{
// 处理符号
parse_symbol(token, line_num);
}
else
{
error_msg("无法识别的代码行。", line_num);
}
//
// 补充代码行数据库信息
//
line_database[line_count].machine_code_count = machine_code_address - machine_code_old_address;
machine_code_old_address = machine_code_address;
//
// 记录产生了机器码的代码行数量
//
if(line_database[line_count].machine_code_count != 0)
{
machine_code_line_count++;
}
//
// 增加行号
//
line_count++;
line_num++;
if(line_count == MAX_LINE_COUNT)
{
sprintf(formated_msg, "汇编文件中的代码行过多，最多只能有 %d 行代码。", MAX_LINE_COUNT);
error_msg(formated_msg, -1);
}
}
fclose(fp);
//////////////////////////////////////////////////////////////////////////
// 第二遍扫描
//
// 根据符号表更新重定位表
//
for(i=0; i<reallocate_count; i++)
{
for(j=0; j<symbol_count; j++)
{
if(stricmp(symbol_table[j].name, reallocate_table[i].symbol_name) == 0)
{
machine_code[reallocate_table[i].address] = (BYTE)symbol_table[j].address;
symbol_table[j].ref_count++;
break;
}
}
if(j == symbol_count)
{
// 重定位表中使用的符号在符号表中未定义，报错
sprintf(formated_msg, "使用了未定义的符号 %s。", reallocate_table[i].symbol_name);
error_msg(formated_msg, reallocate_table[i].line_num);
}
}
//
// 如果存在未引用的符号，输出警告信息。
//
for(i=0; i<symbol_count; i++)
{
if(0 == symbol_table[i].ref_count)
{
warning_msg_unref_symbol(symbol_table[i].name, symbol_table[i].line_num);
}
}
//////////////////////////////////////////////////////////////////////////
// 产生各种输出文件
//
// 将机器码写入二进制文件
//
if(NULL == target_file_name)
{
target_file_name = "a.obj";
}
fp = fopen(target_file_name, "wb");
if(NULL == fp)
{
printf("无法打开输出文件 %s\n", target_file_name);
return 1;
}
fwrite(machine_code, 1, machine_code_address, fp);
fclose(fp);
printf("\n生成目标文件 %s\n", target_file_name);
//
// 将代码行数据库中的信息写入列表文件
//
if(list_file_name != NULL)
{
fp = fopen(list_file_name, "w");
if(NULL == fp)
{
printf("无法打开列表文件 %s\n", list_file_name);
return 1;
}
for(i=0; i<line_count; i++)
{
// 行号
fprintf(fp, "%04d ", line_database[i].line_num);
// 地址和机器码
if(line_database[i].machine_code_count > 0)
{
fprintf(fp, "%02X ", line_database[i].address);
for(j=0; j<line_database[i].machine_code_count; j++)
{
// 确保每行最多写两个字节的机器码
if(j != 0 && j % 2 == 0)
{
if(2 == j)
{
fprintf(fp, " ");
}
else
{
fprintf(fp, "\n ");
}
}
fprintf(fp, "%02X ", machine_code[line_database[i].address + j]);
if(1 == j)
{
fprintf(fp, " ");
fprintf(fp, line_database[i].line_string);
}
}
if(1 == j)
{
fprintf(fp, " ");
fprintf(fp, line_database[i].line_string);
}
else if(j > 2)
{
fprintf(fp, "\n");
}
}
else
{
fprintf(fp, " ");
// 源代码
fprintf(fp, line_database[i].line_string);
}
}
fclose(fp);
printf("生成列表文件 %s\n", list_file_name);
}
//
// 将代码行数据库中的信息写入二进制的调试信息文件。
//
// 调试信息的基本格式为：
// 魔数（4字节），固定不可改变
// 版本号（4字节），固定不可改变
// 源代码文件绝对路径字符串长度（4字节）
// 源代码文件绝对路径字符串（不包括字符串结尾的0）
// 列表文件绝对路径字符串长度（4字节）
// 列表文件绝对路径字符串（不包括字符串结尾的0）
//
// 代码行数据库中元素的数量（4字节）
// 代码行数据库中的所有元素
//
// 符号表元素的数量（4字节）
// 符号表中的所有元素
//
if(dbg_file_name != NULL)
{
fp = fopen(dbg_file_name, "wb");
if(NULL == fp)
{
printf("无法打开调试信息文件 %s\n", dbg_file_name);
return 1;
}
// 魔数
fwrite(&dbg_file_magic, 1, sizeof(dbg_file_magic), fp);
// 版本号
fwrite(&dbg_file_version, 1, sizeof(dbg_file_version), fp);
// 源代码文件路径
write_string_to_binary_file(assembly_file_name, fp);
// 列表文件路径
write_string_to_binary_file(list_file_name, fp);
// 代码行数据库中的所有元素
fwrite(&machine_code_line_count, 1, sizeof(machine_code_line_count), fp);
for(i=0; i<line_count; i++)
{
// 跳过没有产生机器码的代码行
if(0 == line_database[i].machine_code_count)
{
continue;
}
fwrite(&line_database[i].line_num, 1, sizeof(unsigned long), fp);
fwrite(&line_database[i].address, 1, sizeof(unsigned long), fp);
fwrite(&line_database[i].machine_code_count, 1, sizeof(int), fp);
fwrite(&line_database[i].flag, 1, sizeof(unsigned long), fp);
}
// 符号表中的所有元素
fwrite(&symbol_count, 1, sizeof(symbol_count), fp);
for(i=0; i<symbol_count; i++)
{
write_string_to_binary_file(symbol_table[i].name, fp);
fwrite(&symbol_table[i].address, 1, sizeof(unsigned long), fp);
fwrite(&symbol_table[i].machine_code_count, 1, sizeof(int), fp);
fwrite(&symbol_table[i].line_num, 1, sizeof(int), fp);
}
fclose(fp);
printf("生成调试信息文件 %s\n", dbg_file_name);
}
return 0;
}
dmasm.exe 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
microasm.c 0 → 100644
浏览文件 @ b4a0a8e0
/*******************************************************************************
*******************************************************************************/
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
typedef unsigned char BYTE;
typedef long BOOL;
#define FALSE 0
#define TRUE 1
#define MAX_LINE_LENGTH 256 // 一行代码最多可以有多少个字符
#define MAX_LINE_COUNT 1024 // 源代码文件最多可以有多少行
#define MAX_SYMBOL_LENGTH 64 // 一个符号最多可以包含多少个字符
#define MAX_SYMBOL_COUNT 256 // 源代码文件中最多可以包含多少个符号
#ifndef MAX_PATH
#define MAX_PATH 256 // 文件路径最多可以包含多少了字符
#endif
// 代码行数据库。记录源代码文件中所有代码行的信息（包括注释行、空行）
struct LINE_RECORD
{
char line_string[MAX_LINE_LENGTH]; // 代码行的内容
unsigned long line_num; // 行号
unsigned long address; // 此行代码转换的机器码在映像文件中的地址（偏移）。注意，对于 DM1000 来说，微指令的一个地址对应 4 个字节。
int machine_code_count; // 此行代码转换的机器码的字节数量
unsigned long flag; // 代码行标志位，32位
};
struct LINE_RECORD line_database[MAX_LINE_COUNT] = {0};
int line_count = 0;
int machine_code_line_count = 0; // 记录产生了机器码的代码行的数量
// 在此定义所有的代码行标志位。注意，代码行标志位是按位或的关系。
#define LF_INSTRUCTION 0x00000001 // 代码行标志位的最低位是1，表示此行是一条指令，否则表示此行是数据
//
// 在下面定义所有的关键字
//
// 寄存器名称
const char* rx_register_keyword = "rx";
const char* mar_register_keyword = "mar";
const char* rin_register_keyword = "rin";
const char* rout_register_keyword = "rout";
const char* sp_register_keyword = "sp";
const char* ia_register_keyword = "ia";
const char* ir_register_keyword = "ir";
const char* flag_register_keyword = "flag";
const char* pc_register_keyword = "pc";
const char* a_register_keyword = "a";
const char* w_register_keyword = "w";
const char* asr_register_keyword = "asr";
const char* upc_register_keyword = "upc";
// 堆栈计数器
const char* csp_counter_keyword = "csp";
//
// alu 操作码
const char* alu_add_keyword = "alu_add";
const char* alu_adc_keyword = "alu_adc";
const char* alu_sub_keyword = "alu_sub";
const char* alu_sbb_keyword = "alu_sbb";
const char* alu_and_keyword = "alu_and";
const char* alu_or_keyword = "alu_or";
const char* alu_aout_keyword = "alu_aout";
const char* alu_shr_keyword = "alu_shr";
const char* alu_shl_keyword = "alu_shl";
const char* alu_rcr_keyword = "alu_rcr";
const char* alu_rcl_keyword = "alu_rcl";
const char* alu_not_keyword = "alu_not";
const char* sp_inc_keyword = "sp_inc";
const char* sp_dec_keyword = "sp_dec";
// 访问主存或外设的操作数
const char* pc_main_memory_keyword = "[pc]";
const char* mar_main_memory_keyword = "[mar]";
const char* delimit_char = "\n\t\r "; // 需要忽略的空白字符
const char* delimit_char_comma = "\n\t\r, "; // 需要忽略的空白字符，包括英文逗号
// 单操作数微指令
struct ONE_OPERAND_INSTRUCTION_ENTRY
{
const char** op;
unsigned long micro_machine_code;
};
struct ONE_OPERAND_INSTRUCTION_ENTRY one_operand_table[] =
{
{ NULL, 0x0 } // 未用
,{ &pc_register_keyword, 0xffffffff } // inc pc
,{ &upc_register_keyword, 0xffffffcf } // reset upc
};
// 查表，操作数是否匹配。返回0，操作数不匹配；返回非0，操作数匹配，并且返回值就是操作数在表中的下标。
int match_one_operand(const char* op)
{
int i;
for(i=1; i<sizeof(one_operand_table)/sizeof(one_operand_table[0]); i++)
{
if((stricmp(op, *one_operand_table[i].op) == 0))
{
return i;
}
}
return 0;
}
// 双操作数微指令
struct PATH_INSTRUCTION_OPERAND_ENTRY
{
const char** op1;
const char** op2;
unsigned long micro_machine_code;
};
//////////////////////////////////////////////////////////////////////////
//
struct PATH_INSTRUCTION_OPERAND_ENTRY path_operand_table[] =
{
{ NULL, NULL, 0x0 } // 未用
// 注意：在本文档中，所有微指令编码都是从低字节到高字节的顺序编码的。
// 以取指微指令 path [pc], ir 为例，它的32位编码，从低字节到高字节依次为：[7:0]=ef，[15:8]=3f，[23:16]=f9, [31:24]=ff；
// 而在DM1000中，按照阅读习惯，将高位字节放在前面，低位字节放在后面。
// 因此，在源代码窗口和存储器窗口中显示的是“ef 3f f9 ff”，即微指令编码[31:0]=fff93fef。
,{ &pc_main_memory_keyword, &ir_register_keyword, 0xfff93fef } // path [pc], ir
,{ &alu_add_keyword, &a_register_keyword, 0x99e4ffef } // path alu_add, a
,{ &alu_sub_keyword, &a_register_keyword, 0x86e4ffef } // path alu_sub, a
,{ &alu_or_keyword, &a_register_keyword, 0xbee4ffef } // path alu_or, a
,{ &alu_and_keyword, &a_register_keyword, 0xbbe4ffef } // path alu_and, a
,{ &alu_adc_keyword, &a_register_keyword, 0x89e4ffef } // path alu_adc, a
,{ &alu_sbb_keyword, &a_register_keyword, 0x96e4ffef } // path alu_sbb, a
,{ &alu_shr_keyword, &a_register_keyword, 0x90d5ffef } // path alu_shr, a
,{ &alu_shl_keyword, &a_register_keyword, 0x90d6ffef } // path alu_shl, a
,{ &alu_rcr_keyword, &a_register_keyword, 0x90e5ffef } // path alu_rcr, a
,{ &alu_rcl_keyword, &a_register_keyword, 0x90e6ffef } // path alu_rcl, a
,{ &alu_not_keyword, &a_register_keyword, 0xb0f4ffef } // path alu_not, a
,{ &rx_register_keyword, &w_register_keyword, 0x7ffaffef } // path rx, w
,{ &rx_register_keyword, &mar_register_keyword, 0xfffaf7ef } // path rx, mar
,{ &mar_main_memory_keyword, &w_register_keyword, 0x7ff9fbef } // path [mar], w
,{ &pc_main_memory_keyword, &mar_register_keyword, 0xfff977ef } // path [pc], mar
,{ &pc_main_memory_keyword, &w_register_keyword, 0x7ff97fef } // path [pc], w
,{ &rx_register_keyword, &a_register_keyword, 0xbffaffef } // path rx, a
,{ &mar_main_memory_keyword, &a_register_keyword, 0xbff9fbef } // path [mar], a 从地址寄存器指定的内存单元读数据到a寄存器
,{ &pc_main_memory_keyword, &a_register_keyword, 0xbff97fef } // path [pc], a
,{ &a_register_keyword, &rx_register_keyword, 0xd0b4ffef } // path a, rx
,{ &a_register_keyword, &mar_main_memory_keyword, 0xd0f4fbed } // path a, [mar] 将a寄存器数据写入地址寄存器指向的内存
,{ &pc_main_memory_keyword, &rx_register_keyword, 0xffb97fef } // path [pc], rx
,{ &alu_aout_keyword, &mar_main_memory_keyword, 0xd0f4fbec } // path alu_aout, [mar]
,{ &pc_main_memory_keyword, &pc_register_keyword, 0xfff96fff } // path [pc], pc
,{ &pc_register_keyword, &sp_register_keyword, 0xfff3feef } // path pc, sp
,{ &ia_register_keyword, &mar_register_keyword, 0xfff1f7ef } // path ia, mar
,{ &pc_register_keyword, &mar_register_keyword, 0xfff3f7ef } // path pc, mar
,{ &rin_register_keyword, &a_register_keyword, 0xbff0ffef } // path rin, a
,{ &a_register_keyword, &rout_register_keyword, 0xd0f4ffee } // path a, rout
,{ &mar_main_memory_keyword, &pc_register_keyword, 0xfff9ebef } // path [mar],pc 从地址寄存器指定的内存单元读数据到程序计数器pc
,{ &pc_main_memory_keyword, &sp_register_keyword, 0xfff97eef } // path [pc], sp
,{ &sp_register_keyword, &mar_register_keyword, 0xfff2f7ef } // path sp, mar
,{ &sp_register_keyword, &csp_counter_keyword, 0xff72ffef } // path sp, csp
,{ &pc_main_memory_keyword, &ia_register_keyword, 0xfff97feb } // path [pc], ia
,{ &pc_main_memory_keyword, &asr_register_keyword, 0xfff97def } // path [pc], asr
,{ &csp_counter_keyword, &mar_register_keyword, 0xfff8f7ef } // path csp, mar
,{ &csp_counter_keyword, &sp_register_keyword, 0xfff8feef } // path csp, sp
,{ &sp_inc_keyword, &csp_counter_keyword, 0xffffffe7 } // path sp_inc, csp
,{ &sp_dec_keyword, &csp_counter_keyword, 0xffffffef } // path sp_dec, csp
,{ &pc_register_keyword, &mar_main_memory_keyword, 0xfff3fbed } // path pc, [mar] 将pc值写入mar指向的存储单元
,{ &asr_register_keyword, &pc_register_keyword, 0xfff7efef } // path asr, pc
,{ &sp_register_keyword, &asr_register_keyword, 0xfff2fdef } // path sp, asr
};
// 查表，判断两个操作数是否匹配。返回0，操作数不完全匹配；返回非0，操作数完全匹配，并且返回值就是操作数在表中的下标。
int match_ops(const char* op1, const char* op2)
{
int i;
for(i=1; i<sizeof(path_operand_table)/sizeof(path_operand_table[0]); i++)
{
if((stricmp(op1, *path_operand_table[i].op1) == 0)
&& (stricmp(op2, *path_operand_table[i].op2) == 0))
{
return i;
}
}
return 0;
}
// 汇编产生的机器码
#define MAX_MACHINE_CODE 1024
BYTE machine_code[MAX_MACHINE_CODE];
unsigned long machine_code_address = 0; // 一个地址对应一个字节
unsigned long machine_code_old_address = 0;
const char* micro_file_name = NULL; // 微指令文件路径
const char* target_file_name = NULL; // 目标文件路径
const char* list_file_name = NULL; // 列表文件路径
const char* dbg_file_name = NULL; // 调试信息文件路径
const unsigned long dbg_file_magic = 58;
const unsigned long dbg_file_version = 1;
// 输出汇编过程中发现的语法错误信息
void error_msg(const char* error_msg, int line_num)
{
if(line_num >= 1)
{
printf("%s:%d: error: %s\n", micro_file_name, line_num, error_msg);
}
else
{
printf("%s: error: %s\n", micro_file_name, error_msg);
}
exit(1);
}
char formated_msg[1024]; // 将格式化后的错误信息放在此字符串中。
void error_msg_miss_op(const char* instruction_name, int line_num)
{
sprintf(formated_msg, "%s 指令缺少操作数。", instruction_name);
error_msg(formated_msg, line_num);
}
void error_msg_wrong_op(const char* instruction_name, int line_num)
{
sprintf(formated_msg, "%s 指令不支持这样的操作数。", instruction_name);
error_msg(formated_msg, line_num);
}
// 定义关键字和解析函数的对应关系
typedef void (*PARSE_FUNCTION)(int line_num);
struct KEYWORD_FUNCTION_ENTRY
{
const char** keyword;
PARSE_FUNCTION parse_function;
};
// 指令名称
const char* dup_instruction_keyword = "dup";
const char* null_instruction_keyword = "null";
const char* path_instruction_keyword = "path";
const char* inc_instruction_keyword = "inc"; // pc+1
const char* reset_instruction_keyword = "reset"; // 复位
// 判断是否是立即数。不支持负数。
int is_immediate(const char* token)
{
return isdigit(token[0]);
}
// 根据立即数得到值。不支持负数。
unsigned long get_value_from_immediate(const char* immediate)
{
char* end;
int base = (immediate[0] == '0' && (immediate[1] == 'x' || immediate[1] == 'X')) ? 16 : 10;
return strtoul(immediate, &end, base);
}
// dup n, null
void parse_dup(int line_num)
{
char *op1, *op2;
int i;
unsigned long micro_instruction_count; // 微指令个数
unsigned long micro_code; // 微指令编码
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(dup_instruction_keyword, line_num);
}
// dup微指令的第一个操作数必须是立即数(十进制或十六进制)
if (!is_immediate(op1))
{
error_msg_wrong_op(dup_instruction_keyword, line_num);
}
// 得到微指令个数
micro_instruction_count = get_value_from_immediate(op1);
// 解析第二个操作数
if (is_immediate(op2))
{
micro_code = get_value_from_immediate(op2);
}
else if(0 == stricmp(op2, null_instruction_keyword))
{
micro_code = 0xffffffff;
}
else
{
error_msg_wrong_op(dup_instruction_keyword, line_num);
}
for (i = 0; i < (int)micro_instruction_count; i++)
{
memcpy(&machine_code[machine_code_address], &micro_code, 4);
machine_code_address += 4;
}
}
// null
void parse_null(int line_num)
{
unsigned long ul = 0xffffffff;
memcpy(&machine_code[machine_code_address], &ul, 4);
machine_code_address += 4;
}
// path op1, op2
void parse_path(int line_num)
{
char *op1, *op2;
int index;
op1 = strtok(NULL, delimit_char_comma);
op2 = strtok(NULL, delimit_char);
if(NULL == op1 || NULL == op2)
{
error_msg_miss_op(path_instruction_keyword, line_num);
}
index = match_ops(op1, op2);
if (0 == index)
{
error_msg_wrong_op(path_instruction_keyword, line_num);
}
memcpy(&machine_code[machine_code_address], &path_operand_table[index].micro_machine_code, 4);
machine_code_address += 4;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// inc
void parse_inc(int line_num)
{
char *op;
int index;
op = strtok(NULL, delimit_char_comma);
if(NULL == op)
{
error_msg_miss_op(inc_instruction_keyword, line_num);
}
index = match_one_operand(op);
if (0 == index)
{
error_msg_wrong_op(inc_instruction_keyword, line_num);
}
memcpy(&machine_code[machine_code_address], &one_operand_table[index].micro_machine_code, 4);
machine_code_address += 4;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
// reset
void parse_reset(int line_num)
{
char *op;
int index;
op = strtok(NULL, delimit_char_comma);
if(NULL == op)
{
error_msg_miss_op(reset_instruction_keyword, line_num);
}
index = match_one_operand(op);
if (0 == index)
{
error_msg_wrong_op(reset_instruction_keyword, line_num);
}
memcpy(&machine_code[machine_code_address], &one_operand_table[index].micro_machine_code, 4);
machine_code_address += 4;
//
// 在代码行数据库中，标记此行是一个指令行
//
line_database[line_count].flag |= LF_INSTRUCTION;
}
//
// 必须将关键字及其解析函数放在下面的表中。从而可以使用“表驱动”的编程模式。
//
struct KEYWORD_FUNCTION_ENTRY keyword_function_table[] =
{
{ NULL, NULL } // 未用
,{ &dup_instruction_keyword, parse_dup }
,{ &null_instruction_keyword, parse_null }
,{ &path_instruction_keyword, parse_path }
,{ &inc_instruction_keyword, parse_inc }
,{ &reset_instruction_keyword, parse_reset }
};
// 判断是否是一个关键字。返回0，不是关键字；返回非0，是关键字，并且返回值就是关键字在表中的下标。
int match_keyword(const char* token)
{
int i;
for(i=1; i<sizeof(keyword_function_table)/sizeof(keyword_function_table[0]); i++)
{
if(stricmp(token, *keyword_function_table[i].keyword) == 0)
{
return i;
}
}
return 0;
}
// 输出版本信息
void version_msg()
{
printf(
"Engintime DM1000 8位模型机微指令汇编器 [版本 2.0]\n"
);
}
// 输出帮助信息
void help_msg()
{
printf(
"Engintime DM1000 8位模型机微指令汇编器。\n\n"
"用法:\n\n"
" microasm.exe micro_file_name [options]\n\n"
"选项:\n\n"
" -g debug_file_name\t指定生成的调试信息文件路径。\n"
" -h\t\t\t打印此帮助信息。\n"
" -l list_file_name\t指定生成的列表文件路径。\n"
" -o target_file_name\t指定生成的目标文件路径。若未指定，默认生成 micro.obj 文件。\n"
" -v\t\t\t打印版本信息。\n"
);
printf("\n");
version_msg();
exit(1);
}
void argument_error_msg()
{
printf("命令行参数错误。\n\n");
help_msg();
}
// 处理器用户输入的命令行参数
void process_argument(int argc, char* argv[])
{
int i;
// argv[0] 是 "easm.exe"，所以可以忽略。
for(i=1; i<argc; i++)
{
if(strcmp(argv[i], "-v") == 0)
{
version_msg();
exit(1);
}
else if(strcmp(argv[i], "-h") == 0)
{
help_msg();
}
else if(strcmp(argv[i], "-o") == 0)
{
if(i + 1 < argc)
{
i++;
target_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(strcmp(argv[i], "-l") == 0)
{
if(i + 1 < argc)
{
i++;
list_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(strcmp(argv[i], "-g") == 0)
{
if(i + 1 < argc)
{
i++;
dbg_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
else if(NULL == micro_file_name && argv[i][0] != '-')
{
// 输入的汇编源代码文件路径。
micro_file_name = argv[i];
}
else
{
argument_error_msg();
}
}
//
// 如果命令行参数中没有指定输入的汇编文件，就打印错误信息后退出
//
if(NULL == micro_file_name)
{
printf("命令行参数错误。没有指定微指令源代码文件的路径。\n");
help_msg();
}
}
// 将一个字符串写入二进制文件中。先将字符串长度写入文件，然后将字符串中的
// 每个字符依次写入文件，不包括字符串末尾的 0.
void write_string_to_binary_file(const char* str, FILE* fp)
{
int str_length;
if(str != NULL)
{
str_length = strlen(str);
fwrite(&str_length, 1, sizeof(str_length), fp);
fwrite(str, 1, str_length, fp);
}
else
{
str_length = 0;
fwrite(&str_length, 1, sizeof(str_length), fp);
}
}
int main(int argc, char* argv[])
{
FILE* fp;
char* token;
char line[MAX_LINE_LENGTH];
int i, j;
int line_num = 1; // 行号从第一行开始计数
int keyword_index;
unsigned long micro_code;
//
// 处理命令行参数
//
process_argument(argc, argv);
//
// 打开汇编源代码文件
//
fp = fopen(micro_file_name, "r");
if(NULL == fp)
{
printf("无法打开微指令源代码文件 %s\n", micro_file_name);
return 1;
}
////////////////////////////////////////////////////////////////////////////
//// 扫描
version_msg();
printf("\n正在汇编 %s...\n", micro_file_name);
//
// 一次读取一行文本，同时记录所有的代码行信息
//
while(fgets(line, sizeof(line), fp) != NULL)
{
//
// 将一行代码的信息记录到代码行数据库中
//
strcpy(line_database[line_count].line_string, line);
line_database[line_count].line_num = line_num;
line_database[line_count].address = machine_code_address;
//
// 将代码行中的注释剥离
//
line[strcspn(line, ";")] = 0;
//
// 开始解析代码行
//
token = strtok(line, delimit_char);
if(NULL == token)
{
// 如果是空行，不做任何处理
}
else if((keyword_index = match_keyword(token)) != 0)
{
// 根据关键字进行相应的处理
keyword_function_table[keyword_index].parse_function(line_num);
}
else if(is_immediate(token))
{
// 将立即数直接作为微指令
micro_code = get_value_from_immediate(token);
memcpy(&machine_code[machine_code_address], &micro_code, 4);
machine_code_address += 4;
}
else
{
error_msg("无法识别的代码行。", line_num);
}
//
// 补充代码行数据库信息
//
line_database[line_count].machine_code_count = machine_code_address - machine_code_old_address;
machine_code_old_address = machine_code_address;
//
// 记录产生了机器码的代码行数量
//
if(line_database[line_count].machine_code_count != 0)
{
machine_code_line_count++;
}
//
// 增加行号
//
line_count++;
line_num++;
if(line_count == MAX_LINE_COUNT)
{
sprintf(formated_msg, "微指令文件中的代码行过多，最多只能有 %d 行代码。", MAX_LINE_COUNT);
error_msg(formated_msg, -1);
}
}
fclose(fp);
////////////////////////////////////////////////////////////////////////////
//// 产生各种输出文件
//
// 将机器码写入二进制文件
//
if(NULL == target_file_name)
{
target_file_name = "micro.obj";
}
fp = fopen(target_file_name, "wb");
if(NULL == fp)
{
printf("无法打开目标文件 %s\n", target_file_name);
return 1;
}
fwrite(machine_code, 1, machine_code_address, fp);
fclose(fp);
printf("\n生成目标文件 %s\n", target_file_name);
//
// 将代码行数据库中的信息写入列表文件
//
if(list_file_name != NULL)
{
fp = fopen(list_file_name, "w");
if(NULL == fp)
{
printf("无法打开列表文件 %s\n", list_file_name);
return 1;
}
for(i=0; i<line_count; i++)
{
// 行号
fprintf(fp, "%04d ", line_database[i].line_num);
// 地址和机器码
if(line_database[i].machine_code_count > 0)
{
fprintf(fp, "%02X ", line_database[i].address);
for(j=0; j<4; j++)
{
fprintf(fp, "%02X ", machine_code[line_database[i].address + j]);
}
fprintf(fp, " ");
}
else
{
fprintf(fp, " ");
}
// 源代码
fprintf(fp, line_database[i].line_string);
}
fclose(fp);
printf("生成列表文件 %s\n", list_file_name);
}
//
// 将代码行数据库中的信息写入二进制的调试信息文件。
//
// 调试信息的基本格式为：
// 魔数（4字节），固定不可改变
// 版本号（4字节），固定不可改变
// 源代码文件绝对路径字符串长度（4字节）
// 源代码文件绝对路径字符串（不包括字符串结尾的0）
// 列表文件绝对路径字符串长度（4字节）
// 列表文件绝对路径字符串（不包括字符串结尾的0）
//
// 代码行数据库中元素的数量（4字节）
// 代码行数据库中的所有元素
//
// 符号表元素的数量（4字节）
// 符号表中的所有元素
//
if(dbg_file_name != NULL)
{
fp = fopen(dbg_file_name, "wb");
if(NULL == fp)
{
printf("无法打开调试信息文件 %s\n", dbg_file_name);
return 1;
}
// 魔数
fwrite(&dbg_file_magic, 1, sizeof(dbg_file_magic), fp);
// 版本号
fwrite(&dbg_file_version, 1, sizeof(dbg_file_version), fp);
// 源代码文件路径
write_string_to_binary_file(micro_file_name, fp);
// 列表文件路径
write_string_to_binary_file(list_file_name, fp);
// 代码行数据库中的所有元素
fwrite(&machine_code_line_count, 1, sizeof(machine_code_line_count), fp);
for(i=0; i<line_count; i++)
{
// 跳过没有产生机器码的代码行
if(0 == line_database[i].machine_code_count)
{
continue;
}
fwrite(&line_database[i].line_num, 1, sizeof(unsigned long), fp);
fwrite(&line_database[i].address, 1, sizeof(unsigned long), fp);
fwrite(&line_database[i].machine_code_count, 1, sizeof(int), fp);
fwrite(&line_database[i].flag, 1, sizeof(unsigned long), fp);
}
// 没有符号表。但是为了确保调试信息的格式能够被正确读取，必须写入符号表数量为 0
i = 0;
fwrite(&i, 1, sizeof(i), fp);
fclose(fp);
printf("生成调试信息文件 %s\n", dbg_file_name);
}
return 0;
}
microasm.exe 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
ram.asm 0 → 100644
浏览文件 @ b4a0a8e0
; 示例程序
.text
mov r0, 16 ;将立即数 16 传送到寄存器 r0
mov a, num ;将标号 num 指定的存储单元内容复制到累加器 a 中
add a, r0 ;将累加器 a 与寄存器 r0 相加，结果写回 a 中
Endless_Loop:
jmp Endless_Loop ;死循环
.data
num: -1
ram.bat 0 → 100644
浏览文件 @ b4a0a8e0
@echo off
dmasm.exe ram.asm -o ram.rxm -l ram.lst -g ram.dbg
pause
ram.dbg 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
ram.lst 0 → 100644
浏览文件 @ b4a0a8e0
0001 ; 示例程序
0002
0003 .text
0004 00 8C 10 mov r0, 16 ;将立即数 16 传送到寄存器 r0
0005 02 78 07 mov a, num ;将标号 num 指定的存储单元内容复制到累加器 a 中
0006 04 10 add a, r0 ;将累加器 a 与寄存器 r0 相加，结果写回 a 中
0007
0008 Endless_Loop:
0009 05 AC 05 jmp Endless_Loop ;死循环
0010
0011 .data
0012
0013 07 FF num: -1
ram.rxm 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
rom.bat 0 → 100644
浏览文件 @ b4a0a8e0
@echo off
microasm.exe rom.masm -o rom.rxm -l rom.lst -g rom.dbg
pause
\ No newline at end of file
rom.dbg 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
rom.lst 0 → 100644
浏览文件 @ b4a0a8e0
0001
0002
0003 ; 所有指令的第一条微指令地址必须是8的倍数
0004 ; 取指微指令，所有指令的第一步均为取指操作，都要执行该条微指令
0005 00 EF 3F F9 FF path [pc], ir
0006
0007 ; 填充空白指令 01-1f
0008 04 FF FF FF FF dup 31, null
0009
0010 ; add a, rx
0011 80 EF FF FA 7F path rx, w ;将寄存器 R 的内容传送到工作寄存器 W 中，R 的内容不变
0012 84 EF FF E4 99 path alu_add, a ;累加器 A 与工作寄存器 W 进行无进位加运算，结果写回 A 中，即A=A+W
0013 88 FF FF FF FF inc pc ;PC 加1，指向下一个字节单元
0014 8C CF FF FF FF reset upc ;uPC 寄存器复位为0，指向第一条微指令，该微指令完成取指令功能
0015
0016 90 FF FF FF FF dup 4, null
0017
0018 ; add a, [rx]
0019 A0 EF F7 FA FF path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR，R 的内容不变
0020 A4 EF FB F9 7F path [mar], w ;读出地址寄存器 MAR 指定存储单元的内容并写入工作寄存器 W 中
0021 A8 EF FF E4 99 path alu_add, a
0022 AC FF FF FF FF inc pc
0023 B0 CF FF FF FF reset upc
0024
0025 B4 FF FF FF FF dup 3, null
0026
0027 ; add a, symbol
0028 C0 FF FF FF FF inc pc
0029 C4 EF 77 F9 FF path [pc], mar ;读出 PC 指定存储单元的内容并写入地址寄存器 MAR
0030 C8 EF FB F9 7F path [mar], w
0031 CC EF FF E4 99 path alu_add, a
0032 D0 FF FF FF FF inc pc
0033 D4 CF FF FF FF reset upc
0034
0035 D8 FF FF FF FF dup 2, null
0036
0037 ; add a, immediate
0038 E0 FF FF FF FF inc pc
0039 E4 EF 7F F9 7F path [pc], w ;读出 PC 指定存储单元的内容并写入工作寄存器 W
0040 E8 EF FF E4 99 path alu_add, a
0041 EC FF FF FF FF inc pc
0042 F0 CF FF FF FF reset upc
0043
0044 F4 FF FF FF FF dup 3, null
0045
0046 ; adc a, rx
0047 100 EF FF FA 7F path rx, w
0048 104 EF FF E4 89 path alu_adc, a ;累加器 A 与工作寄存器 W 进行带进位的加法运算，结果写回 A 中，即A=A+W+1
0049 108 FF FF FF FF inc pc
0050 10C CF FF FF FF reset upc
0051
0052 110 FF FF FF FF dup 4, null
0053
0054 ; adc a, [rx]
0055 120 EF F7 FA FF path rx, mar
0056 124 EF FB F9 7F path [mar], w
0057 128 EF FF E4 89 path alu_adc, a
0058 12C FF FF FF FF inc pc
0059 130 CF FF FF FF reset upc
0060
0061 134 FF FF FF FF dup 3, null
0062
0063 ; adc a, symbol
0064 140 FF FF FF FF inc pc
0065 144 EF 77 F9 FF path [pc], mar
0066 148 EF FB F9 7F path [mar], w
0067 14C EF FF E4 89 path alu_adc, a
0068 150 FF FF FF FF inc pc
0069 154 CF FF FF FF reset upc
0070
0071 158 FF FF FF FF dup 2, null
0072
0073 ; adc a, immediate
0074 160 FF FF FF FF inc pc
0075 164 EF 7F F9 7F path [pc], w
0076 168 EF FF E4 89 path alu_adc, a
0077 16C FF FF FF FF inc pc
0078 170 CF FF FF FF reset upc
0079
0080 174 FF FF FF FF dup 3, null
0081
0082 ; sub a, rx
0083 180 EF FF FA 7F path rx, w
0084 184 EF FF E4 86 path alu_sub, a ;累加器 A 减 W 进行减法运算，结果写回 A 中，即A=A-W
0085 188 FF FF FF FF inc pc
0086 18C CF FF FF FF reset upc
0087
0088 190 FF FF FF FF dup 4, null
0089
0090 ; sub a, [rx]
0091 1A0 EF F7 FA FF path rx, mar
0092 1A4 EF FB F9 7F path [mar], w
0093 1A8 EF FF E4 86 path alu_sub, a
0094 1AC FF FF FF FF inc pc
0095 1B0 CF FF FF FF reset upc
0096
0097 1B4 FF FF FF FF dup 3, null
0098
0099 ; sub a, symbol
0100 1C0 FF FF FF FF inc pc
0101 1C4 EF 77 F9 FF path [pc], mar
0102 1C8 EF FB F9 7F path [mar], w
0103 1CC EF FF E4 86 path alu_sub, a
0104 1D0 FF FF FF FF inc pc
0105 1D4 CF FF FF FF reset upc
0106
0107 1D8 FF FF FF FF dup 2, null
0108
0109 ; sub a, immediate
0110 1E0 FF FF FF FF inc pc
0111 1E4 EF 7F F9 7F path [pc], w
0112 1E8 EF FF E4 86 path alu_sub, a
0113 1EC FF FF FF FF inc pc
0114 1F0 CF FF FF FF reset upc
0115
0116 1F4 FF FF FF FF dup 3, null
0117
0118 ; sbb a, rx
0119 200 EF FF FA 7F path rx, w
0120 204 EF FF E4 96 path alu_sbb, a ;累加器 A 与工作寄存器 W 进行带进位的减法运算，结果写回 A 中，即A=A-W-1
0121 208 FF FF FF FF inc pc
0122 20C CF FF FF FF reset upc
0123
0124 210 FF FF FF FF dup 4, null
0125
0126 ; sbb a, [rx]
0127 220 EF F7 FA FF path rx, mar
0128 224 EF FB F9 7F path [mar], w
0129 228 EF FF E4 96 path alu_sbb, a
0130 22C FF FF FF FF inc pc
0131 230 CF FF FF FF reset upc
0132
0133 234 FF FF FF FF dup 3, null
0134
0135 ; sbb a, symbol
0136 240 FF FF FF FF inc pc
0137 244 EF 77 F9 FF path [pc], mar
0138 248 EF FB F9 7F path [mar], w
0139 24C EF FF E4 96 path alu_sbb, a
0140 250 FF FF FF FF inc pc
0141 254 CF FF FF FF reset upc
0142
0143 258 FF FF FF FF dup 2, null
0144
0145 ; sbb a, immediate
0146 260 FF FF FF FF inc pc
0147 264 EF 7F F9 7F path [pc], w
0148 268 EF FF E4 96 path alu_sbb, a
0149 26C FF FF FF FF inc pc
0150 270 CF FF FF FF reset upc
0151
0152 274 FF FF FF FF dup 3, null
0153
0154 ; and a, rx
0155 280 EF FF FA 7F path rx, w
0156 284 EF FF E4 BB path alu_and a ;A = A & W，A与W进行按位与运算
0157 288 FF FF FF FF inc pc
0158 28C CF FF FF FF reset upc
0159
0160 290 FF FF FF FF dup 4, null
0161
0162 ; and a, [rx]
0163 2A0 EF F7 FA FF path rx, mar
0164 2A4 EF FB F9 7F path [mar], w
0165 2A8 EF FF E4 BB path alu_and, a
0166 2AC FF FF FF FF inc pc
0167 2B0 CF FF FF FF reset upc
0168
0169 2B4 FF FF FF FF dup 3, null
0170
0171 ; and a, symbol
0172 2C0 FF FF FF FF inc pc
0173 2C4 EF 77 F9 FF path [pc], mar
0174 2C8 EF FB F9 7F path [mar], w
0175 2CC EF FF E4 BB path alu_and, a
0176 2D0 FF FF FF FF inc pc
0177 2D4 CF FF FF FF reset upc
0178
0179 2D8 FF FF FF FF dup 2, null
0180
0181 ; and a, immediate
0182 2E0 FF FF FF FF inc pc
0183 2E4 EF 7F F9 7F path [pc], w
0184 2E8 EF FF E4 BB path alu_and, a
0185 2EC FF FF FF FF inc pc
0186 2F0 CF FF FF FF reset upc
0187
0188 2F4 FF FF FF FF dup 3, null
0189
0190 ; or a, rx
0191 300 EF FF FA 7F path rx, w
0192 304 EF FF E4 BE path alu_or a ;A = A | W，A与W进行按位或运算
0193 308 FF FF FF FF inc pc
0194 30C CF FF FF FF reset upc
0195
0196 310 FF FF FF FF dup 4, null
0197
0198 ; or a, [rx]
0199 320 EF F7 FA FF path rx, mar
0200 324 EF FB F9 7F path [mar], w
0201 328 EF FF E4 BE path alu_or, a
0202 32C FF FF FF FF inc pc
0203 330 CF FF FF FF reset upc
0204
0205 334 FF FF FF FF dup 3, null
0206
0207 ; or a, symbol
0208 340 FF FF FF FF inc pc
0209 344 EF 77 F9 FF path [pc], mar
0210 348 EF FB F9 7F path [mar], w
0211 34C EF FF E4 BE path alu_or, a
0212 350 FF FF FF FF inc pc
0213 354 CF FF FF FF reset upc
0214
0215 358 FF FF FF FF dup 2, null
0216
0217 ; or a, immediate
0218 360 FF FF FF FF inc pc
0219 364 EF 7F F9 7F path [pc], w
0220 368 EF FF E4 BE path alu_or, a
0221 36C FF FF FF FF inc pc
0222 370 CF FF FF FF reset upc
0223
0224 374 FF FF FF FF dup 3, null
0225
0226 ; mov a, rx
0227 380 EF FF FA BF path rx, a ;将寄存器 R 的内容传送到累加器 A 中
0228 384 FF FF FF FF inc pc
0229 388 CF FF FF FF reset upc
0230
0231 38C FF FF FF FF dup 5, null
0232
0233 ; mov a, [rx]
0234 3A0 EF F7 FA FF path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR 中
0235 3A4 EF FB F9 BF path [mar], a ;将地址寄存器MAR指定存储单元的内容传送到累加器 A 中
0236 3A8 FF FF FF FF inc pc
0237 3AC CF FF FF FF reset upc
0238
0239 3B0 FF FF FF FF dup 4, null
0240
0241 ; mov a, symbol
0242 3C0 FF FF FF FF inc pc
0243 3C4 EF 77 F9 FF path [pc], mar ;将程序计数器 PC 指定存储单元的内容传送到 MAR 中
0244 3C8 EF FB F9 BF path [mar], a
0245 3CC FF FF FF FF inc pc
0246 3D0 CF FF FF FF reset upc
0247
0248 3D4 FF FF FF FF dup 3, null
0249
0250 ; mov a, immediate
0251 3E0 FF FF FF FF inc pc
0252 3E4 EF 7F F9 BF path [pc], a ;将程序计数器 PC 指定存储单元的内容传送到 A 中
0253 3E8 FF FF FF FF inc pc
0254 3EC CF FF FF FF reset upc
0255
0256 3F0 FF FF FF FF dup 4, null
0257
0258 ; mov rx, a
0259 400 EF FF B4 D0 path a, rx ;将累加器 A 的内容传送到寄存器 R 中
0260 404 FF FF FF FF inc pc
0261 408 CF FF FF FF reset upc
0262
0263 40C FF FF FF FF dup 5, null
0264
0265 ; mov [rx], a
0266 420 EF F7 FA FF path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR 中
0267 424 ED FB F4 D0 path a, [mar] ;将累加器 A 的内容写入地址寄存器 MAR 指定存储单元中
0268 428 FF FF FF FF inc pc
0269 42C CF FF FF FF reset upc
0270
0271 430 FF FF FF FF dup 4, null
0272
0273 ; mov symbol, a
0274 440 FF FF FF FF inc pc
0275 444 EF 77 F9 FF path [pc], mar ;将 PC 指定存储单元的内容传送到地址寄存器 MAR 中
0276 448 ED FB F4 D0 path a, [mar]
0277 44C FF FF FF FF inc pc
0278 450 CF FF FF FF reset upc
0279
0280 454 FF FF FF FF dup 3, null
0281
0282 ; mov rx, immediate
0283 460 FF FF FF FF inc pc
0284 464 EF 7F B9 FF path [pc], rx ;将　PC 指定存储单元的内容传送到寄存器 R 中
0285 468 FF FF FF FF inc pc
0286 46C CF FF FF FF reset upc
0287
0288 470 FF FF FF FF dup 4, null
0289
0290 ; 填充空白指令
0291 480 FF FF FF FF dup 8, null
0292
0293 ; 填充空白指令
0294 4A0 FF FF FF FF dup 8, null
0295
0296 ; lea a, symbol
0297 4C0 FF FF FF FF inc pc
0298 4C4 EF 7F F9 BF path [pc], a
0299 4C8 FF FF FF FF inc pc
0300 4CC CF FF FF FF reset upc
0301
0302 4D0 FF FF FF FF dup 4, null
0303
0304 ;mov sp, immediate
0305 4E0 FF FF FF FF inc pc
0306 4E4 EF 7E F9 FF path [pc], sp ;将 PC 指定存储单元的内容传送到栈指针寄存器 SP 中
0307 4E8 FF FF FF FF inc pc
0308 4EC CF FF FF FF reset upc
0309
0310 4F0 FF FF FF FF dup 4, null
0311
0312 ; jc symbol
0313 500 FF FF FF FF inc pc
0314 504 FF 6F F9 FF path [pc], pc ;将 PC 指定存储单元的内容作为指令地址加载到 PC 中，实现程序跳转
0315 508 CF FF FF FF reset upc
0316
0317 50C FF FF FF FF dup 5, null
0318
0319 ; jz symbol
0320 520 FF FF FF FF inc pc
0321 524 FF 6F F9 FF path [pc], pc
0322 528 CF FF FF FF reset upc
0323
0324 52C FF FF FF FF dup 5, null
0325
0326 ; 填充空白指令
0327 540 FF FF FF FF dup 8, null
0328
0329 ; jmp symbol
0330 560 FF FF FF FF inc pc
0331 564 FF 6F F9 FF path [pc], pc
0332 568 CF FF FF FF reset upc
0333
0334 56C FF FF FF FF dup 5, null
0335
0336 ; in
0337 580 EF FF F0 BF path rin, a ;将输入寄存器 RIN 的内容传送到累加器 A 中
0338 584 FF FF FF FF inc pc
0339 588 CF FF FF FF reset upc
0340
0341 58C FF FF FF FF dup 5, null
0342
0343 ; out
0344 5A0 EE FF F4 D0 path a, rout ;将累加器 A 中的内容传送到输出寄存器 ROUT 中
0345 5A4 FF FF FF FF inc pc
0346 5A8 CF FF FF FF reset upc
0347
0348 5AC FF FF FF FF dup 5, null
0349
0350 ;=======================================================================
0351 ;软中断，通过执行软中断指令，调用指定的中断服务程序
0352 ;软中断指令是双字节指令，第二个字节是立即数操作数，指调用中断的标号
0353 ; int immediate
0354 5C0 FF FF FF FF inc pc ;PC+1，指向指令中的立即数操作数，即中断号，准备读出
0355 5C4 EB 7F F9 FF path [pc], ia ;将读出的中断号写入寄存器 IA 中，将来自于立即数的低3位中断号与IA寄存器的高5位中断向量起始地址组合，得到调用中断的中断向量
0356 5C8 EF FF 72 FF path sp, csp ;栈指针寄存器的值传送到计数器CSP中
0357 5CC EF FF FF FF path sp_dec, csp ;CSP计数器减1
0358 5D0 EF FE F8 FF path csp, sp ;将CSP减1后的结果写入SP中，完成SP-1，入栈，更新栈顶
0359 5D4 EF F7 F2 FF path sp, mar ;将SP指针暂存到MAR
0360 5D8 FF FF FF FF inc pc ;PC+1,中断返回地址，指向下一条指令
0361 5DC ED FB F3 FF path pc, [mar] ;将PC值写入MAR指定存储单元，在这里实现的功能是将中断返回地址（PC）写入栈指针（SP）指定的存储单元中
0362 5E0 EF F7 F1 FF path ia, mar ;将寄存器IA 的内容作为地址写入 MAR，在这里实现的功能是将调用中断的中断向量写入地址寄存器MAR中，准备读出中断向量指定单元的中断服务程序入口地址
0363 5E4 EF EB F9 FF path [mar], pc ;将地址寄存器MAR指定单元的内容加载到PC中，在这里实现的功能是将调用中断的服务程序首地址加载到PC，使处理器转去执行中断服务程序
0364 5E8 CF FF FF FF reset upc
0365 5EC FF FF FF FF dup 5, null
0366
0367 ;=======================================================================
0368 ;
0369 600 FF FF FF FF dup 16, null
0370
0371 ;=======================================================================
0372 ;子程序调用返回指令
0373 ; ret
0374
0375 ; 返回地址出栈
0376 640 EF F7 F2 FF path sp, mar ;将栈指针（栈顶地址）传送到 MAR
0377 644 EF EB F9 FF path [mar], pc ;将返回地址加载到PC
0378
0379 ; 出栈时，栈顶向高地址方向生长，sp+1指向新的栈顶
0380 648 EF FF 72 FF path sp, csp
0381 64C E7 FF FF FF path sp_inc, csp
0382 650 EF FE F8 FF path csp, sp ;SP = SP + 1，出栈，更新栈顶
0383 654 CF FF FF FF reset upc
0384
0385 658 FF FF FF FF dup 2, null
0386
0387 ;=======================================================================
0388
0389 ; 填充空白指令
0390 660 FF FF FF FF dup 8, null
0391
0392 ; shr a
0393 680 EF FF D5 90 path alu_shr, a ;累加器A 进行逻辑右移，结果写回A中
0394 684 FF FF FF FF inc pc
0395 688 CF FF FF FF reset upc
0396
0397 68C FF FF FF FF dup 5, null
0398
0399 ; shl a
0400 6A0 EF FF D6 90 path alu_shl, a ;累加器A 进行逻辑左移，结果写回A中
0401 6A4 FF FF FF FF inc pc
0402 6A8 CF FF FF FF reset upc
0403
0404 6AC FF FF FF FF dup 5, null
0405
0406 ; rcr a
0407 6C0 EF FF E5 90 path alu_rcr, a ;累加器A 进行循环右移，结果写回A中
0408 6C4 FF FF FF FF inc pc
0409 6C8 CF FF FF FF reset upc
0410
0411 6CC FF FF FF FF dup 5, null
0412
0413 ; rcl a
0414 6E0 EF FF E6 90 path alu_rcl, a ;累加器A 进行循环左移，结果写回A中
0415 6E4 FF FF FF FF inc pc
0416 6E8 CF FF FF FF reset upc
0417 6EC FF FF FF FF dup 5, null
0418
0419 ; nop
0420 700 FF FF FF FF inc pc
0421 704 CF FF FF FF reset upc
0422
0423 708 FF FF FF FF dup 6, null
0424
0425 ; not a
0426 720 EF FF F4 B0 path alu_not, a ;累加器A 取反运算，结果写回A中
0427 724 FF FF FF FF inc pc
0428 728 CF FF FF FF reset upc
0429
0430 72C FF FF FF FF dup 5, null
0431
0432 ;=============================================================
0433 ;子程序调用指令，双字节指令，第二个字节是调用子程序标号，该标号实质为一个地址，所指存储单元中就是被调用子程序的入口地址（起始地址）
0434 ; call symbol
0435
0436 ; 将子程序入口地址保存到辅助寄存器asr中
0437 740 FF FF FF FF inc pc ;PC+1
0438 744 EF 7D F9 FF path [pc], asr ;将PC指向存储单元内容写入辅助寄存器ASR中，也就是将被调用子程序的入口地址暂存到ASR中
0439
0440 ; pc+1，得到返回地址
0441 748 FF FF FF FF inc pc ;PC+1，指向下一条指令，即返回地址
0442
0443 ; sp-1，为返回地址入栈分配一个新的空间，入栈时，栈顶向低地址方向生长
0444 74C EF FF 72 FF path sp, csp
0445 750 EF FF FF FF path sp_dec, csp
0446 754 EF FE F8 FF path csp, sp ;返回地址入栈前，先将SP-1，指向新的栈顶
0447
0448 ; 返回地址入栈
0449 758 EF F7 F2 FF path sp, mar
0450 75C ED FB F3 FF path pc, [mar] ;将PC（返回地址）入栈
0451
0452 ; 将调用子程序入口地址加载到PC，实现子程序调用
0453 760 EF EF F7 FF path asr, pc ;将ASR寄存器的值加载到PC，也就是将调用子程序的入口地址加载到PC，转移到子程序处执行
0454 764 CF FF FF FF reset upc
0455
0456 768 FF FF FF FF dup 6, null
0457
0458 ; 填充空白指令
0459 780 FF FF FF FF dup 16, null
0460
0461 ;===============================================================
0462 ;中断返回指令，可参照子程序调用返回指令，出栈
0463 ; iret
0464 7C0 EF F7 F2 FF path sp, mar
0465 7C4 EF FF 72 FF path sp, csp
0466 7C8 E7 FF FF FF path sp_inc, csp
0467 7CC EF FE F8 FF path csp, sp
0468 7D0 EF EB F9 FF path [mar], pc
0469 7D4 CF FF FF FF reset upc
0470
0471 7D8 FF FF FF FF dup 2, null
0472
0473
0474
rom.masm 0 → 100644
浏览文件 @ b4a0a8e0
; 所有指令的第一条微指令地址必须是8的倍数
; 取指微指令，所有指令的第一步均为取指操作，都要执行该条微指令
path [pc], ir
; 填充空白指令 01-1f
dup 31, null
; add a, rx
path rx, w ;将寄存器 R 的内容传送到工作寄存器 W 中，R 的内容不变
path alu_add, a ;累加器 A 与工作寄存器 W 进行无进位加运算，结果写回 A 中，即A=A+W
inc pc ;PC 加1，指向下一个字节单元
reset upc ;uPC 寄存器复位为0，指向第一条微指令，该微指令完成取指令功能
dup 4, null
; add a, [rx]
path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR，R 的内容不变
path [mar], w ;读出地址寄存器 MAR 指定存储单元的内容并写入工作寄存器 W 中
path alu_add, a
inc pc
reset upc
dup 3, null
; add a, symbol
inc pc
path [pc], mar ;读出 PC 指定存储单元的内容并写入地址寄存器 MAR
path [mar], w
path alu_add, a
inc pc
reset upc
dup 2, null
; add a, immediate
inc pc
path [pc], w ;读出 PC 指定存储单元的内容并写入工作寄存器 W
path alu_add, a
inc pc
reset upc
dup 3, null
; adc a, rx
path rx, w
path alu_adc, a ;累加器 A 与工作寄存器 W 进行带进位的加法运算，结果写回 A 中，即A=A+W+1
inc pc
reset upc
dup 4, null
; adc a, [rx]
path rx, mar
path [mar], w
path alu_adc, a
inc pc
reset upc
dup 3, null
; adc a, symbol
inc pc
path [pc], mar
path [mar], w
path alu_adc, a
inc pc
reset upc
dup 2, null
; adc a, immediate
inc pc
path [pc], w
path alu_adc, a
inc pc
reset upc
dup 3, null
; sub a, rx
path rx, w
path alu_sub, a ;累加器 A 减 W 进行减法运算，结果写回 A 中，即A=A-W
inc pc
reset upc
dup 4, null
; sub a, [rx]
path rx, mar
path [mar], w
path alu_sub, a
inc pc
reset upc
dup 3, null
; sub a, symbol
inc pc
path [pc], mar
path [mar], w
path alu_sub, a
inc pc
reset upc
dup 2, null
; sub a, immediate
inc pc
path [pc], w
path alu_sub, a
inc pc
reset upc
dup 3, null
; sbb a, rx
path rx, w
path alu_sbb, a ;累加器 A 与工作寄存器 W 进行带进位的减法运算，结果写回 A 中，即A=A-W-1
inc pc
reset upc
dup 4, null
; sbb a, [rx]
path rx, mar
path [mar], w
path alu_sbb, a
inc pc
reset upc
dup 3, null
; sbb a, symbol
inc pc
path [pc], mar
path [mar], w
path alu_sbb, a
inc pc
reset upc
dup 2, null
; sbb a, immediate
inc pc
path [pc], w
path alu_sbb, a
inc pc
reset upc
dup 3, null
; and a, rx
path rx, w
path alu_and a ;A = A & W，A与W进行按位与运算
inc pc
reset upc
dup 4, null
; and a, [rx]
path rx, mar
path [mar], w
path alu_and, a
inc pc
reset upc
dup 3, null
; and a, symbol
inc pc
path [pc], mar
path [mar], w
path alu_and, a
inc pc
reset upc
dup 2, null
; and a, immediate
inc pc
path [pc], w
path alu_and, a
inc pc
reset upc
dup 3, null
; or a, rx
path rx, w
path alu_or a ;A = A | W，A与W进行按位或运算
inc pc
reset upc
dup 4, null
; or a, [rx]
path rx, mar
path [mar], w
path alu_or, a
inc pc
reset upc
dup 3, null
; or a, symbol
inc pc
path [pc], mar
path [mar], w
path alu_or, a
inc pc
reset upc
dup 2, null
; or a, immediate
inc pc
path [pc], w
path alu_or, a
inc pc
reset upc
dup 3, null
; mov a, rx
path rx, a ;将寄存器 R 的内容传送到累加器 A 中
inc pc
reset upc
dup 5, null
; mov a, [rx]
path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR 中
path [mar], a ;将地址寄存器MAR指定存储单元的内容传送到累加器 A 中
inc pc
reset upc
dup 4, null
; mov a, symbol
inc pc
path [pc], mar ;将程序计数器 PC 指定存储单元的内容传送到 MAR 中
path [mar], a
inc pc
reset upc
dup 3, null
; mov a, immediate
inc pc
path [pc], a ;将程序计数器 PC 指定存储单元的内容传送到 A 中
inc pc
reset upc
dup 4, null
; mov rx, a
path a, rx ;将累加器 A 的内容传送到寄存器 R 中
inc pc
reset upc
dup 5, null
; mov [rx], a
path rx, mar ;将寄存器 R 的内容传送到地址寄存器 MAR 中
path a, [mar] ;将累加器 A 的内容写入地址寄存器 MAR 指定存储单元中
inc pc
reset upc
dup 4, null
; mov symbol, a
inc pc
path [pc], mar ;将 PC 指定存储单元的内容传送到地址寄存器 MAR 中
path a, [mar]
inc pc
reset upc
dup 3, null
; mov rx, immediate
inc pc
path [pc], rx ;将　PC 指定存储单元的内容传送到寄存器 R 中
inc pc
reset upc
dup 4, null
; 填充空白指令
dup 8, null
; 填充空白指令
dup 8, null
; lea a, symbol
inc pc
path [pc], a
inc pc
reset upc
dup 4, null
;mov sp, immediate
inc pc
path [pc], sp ;将 PC 指定存储单元的内容传送到栈指针寄存器 SP 中
inc pc
reset upc
dup 4, null
; jc symbol
inc pc
path [pc], pc ;将 PC 指定存储单元的内容作为指令地址加载到 PC 中，实现程序跳转
reset upc
dup 5, null
; jz symbol
inc pc
path [pc], pc
reset upc
dup 5, null
; 填充空白指令
dup 8, null
; jmp symbol
inc pc
path [pc], pc
reset upc
dup 5, null
; in
path rin, a ;将输入寄存器 RIN 的内容传送到累加器 A 中
inc pc
reset upc
dup 5, null
; out
path a, rout ;将累加器 A 中的内容传送到输出寄存器 ROUT 中
inc pc
reset upc
dup 5, null
;=======================================================================
;软中断，通过执行软中断指令，调用指定的中断服务程序
;软中断指令是双字节指令，第二个字节是立即数操作数，指调用中断的标号
; int immediate
inc pc ;PC+1，指向指令中的立即数操作数，即中断号，准备读出
path [pc], ia ;将读出的中断号写入寄存器 IA 中，将来自于立即数的低3位中断号与IA寄存器的高5位中断向量起始地址组合，得到调用中断的中断向量
path sp, csp ;栈指针寄存器的值传送到计数器CSP中
path sp_dec, csp ;CSP计数器减1
path csp, sp ;将CSP减1后的结果写入SP中，完成SP-1，入栈，更新栈顶
path sp, mar ;将SP指针暂存到MAR
inc pc ;PC+1,中断返回地址，指向下一条指令
path pc, [mar] ;将PC值写入MAR指定存储单元，在这里实现的功能是将中断返回地址（PC）写入栈指针（SP）指定的存储单元中
path ia, mar ;将寄存器IA 的内容作为地址写入 MAR，在这里实现的功能是将调用中断的中断向量写入地址寄存器MAR中，准备读出中断向量指定单元的中断服务程序入口地址
path [mar], pc ;将地址寄存器MAR指定单元的内容加载到PC中，在这里实现的功能是将调用中断的服务程序首地址加载到PC，使处理器转去执行中断服务程序
reset upc
dup 5, null
;=======================================================================
;
dup 16, null
;=======================================================================
;子程序调用返回指令
; ret
; 返回地址出栈
path sp, mar ;将栈指针（栈顶地址）传送到 MAR
path [mar], pc ;将返回地址加载到PC
; 出栈时，栈顶向高地址方向生长，sp+1指向新的栈顶
path sp, csp
path sp_inc, csp
path csp, sp ;SP = SP + 1，出栈，更新栈顶
reset upc
dup 2, null
;=======================================================================
; 填充空白指令
dup 8, null
; shr a
path alu_shr, a ;累加器A 进行逻辑右移，结果写回A中
inc pc
reset upc
dup 5, null
; shl a
path alu_shl, a ;累加器A 进行逻辑左移，结果写回A中
inc pc
reset upc
dup 5, null
; rcr a
path alu_rcr, a ;累加器A 进行循环右移，结果写回A中
inc pc
reset upc
dup 5, null
; rcl a
path alu_rcl, a ;累加器A 进行循环左移，结果写回A中
inc pc
reset upc
dup 5, null
; nop
inc pc
reset upc
dup 6, null
; not a
path alu_not, a ;累加器A 取反运算，结果写回A中
inc pc
reset upc
dup 5, null
;=============================================================
;子程序调用指令，双字节指令，第二个字节是调用子程序标号，该标号实质为一个地址，所指存储单元中就是被调用子程序的入口地址（起始地址）
; call symbol
; 将子程序入口地址保存到辅助寄存器asr中
inc pc ;PC+1
path [pc], asr ;将PC指向存储单元内容写入辅助寄存器ASR中，也就是将被调用子程序的入口地址暂存到ASR中
; pc+1，得到返回地址
inc pc ;PC+1，指向下一条指令，即返回地址
; sp-1，为返回地址入栈分配一个新的空间，入栈时，栈顶向低地址方向生长
path sp, csp
path sp_dec, csp
path csp, sp ;返回地址入栈前，先将SP-1，指向新的栈顶
; 返回地址入栈
path sp, mar
path pc, [mar] ;将PC（返回地址）入栈
; 将调用子程序入口地址加载到PC，实现子程序调用
path asr, pc ;将ASR寄存器的值加载到PC，也就是将调用子程序的入口地址加载到PC，转移到子程序处执行
reset upc
dup 6, null
; 填充空白指令
dup 16, null
;===============================================================
;中断返回指令，可参照子程序调用返回指令，出栈
; iret
path sp, mar
path sp, csp
path sp_inc, csp
path csp, sp
path [mar], pc
reset upc
dup 2, null
rom.rxm 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
uPC_NEXT.dlsche 0 → 100644
浏览文件 @ b4a0a8e0
添加文件
uPC_NEXT.dlsche.svg 0 → 100644
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<text alignment-baseline="after-edge" fill="#000000" font-family="宋体" font-size="90" font-weight="400" text-anchor="start" x="67" y="3932">加数4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="微软雅黑" font-size="250" font-weight="700" text-anchor="start" x="397" y="312">uPC_NEXT模块</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="宋体" font-size="90" font-weight="400" text-anchor="start" x="1767" y="722">uPC+4指向下一条微指令</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="147" y="3582">U6</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="67" y="3612">CONSTANT1</text>
<text alignment-baseline="after-edge" fill="#000080" font-family="宋体" font-size="35" font-weight="400" text-anchor="start" x="147" y="1202">运算方式控制信号：无进位加法</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="922">^A0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="922">2</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="952">^A1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="952">23</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="982">^A2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="982">21</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1012">^A3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="1012">19</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1072">^B0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="1070">1</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1102">^B1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1101">22</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1132">^B2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1131">20</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1162">^B3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1161">18</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1232">S0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1230">6</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1262">S1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1261">5</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1292">S2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1291">4</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1322">S3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1321">3</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1382">CN</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1383">7</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1570" y="1412">M</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1413">8</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="1192" y2="1192"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1192">^G</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1192">17</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1162">^P</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1162">15</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1102">AEQB</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1102">14</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1072">CN4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1072">16</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1012">^F3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1012">13</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="982">^F2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="982">11</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="952">^F1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="952">10</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="922" y2="922"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="922">^F0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1715" y="921">9</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1604" y="862">U1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1547" y="1478">74LS181</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1622">^A0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="1622">2</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1652">^A1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="1652">23</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1682">^A2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="1682">21</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1712">^A3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="1712">19</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1772">^B0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="1770">1</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1802">^B1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1801">22</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="1832" y2="1832"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1832">^B2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1831">20</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="1862" y2="1862"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="1862">^B3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="1861">18</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1932">S0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1930">6</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1962">S1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1961">5</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="1992">S2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="1991">4</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2022">S3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2021">3</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2082">CN</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2083">7</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1570" y="2112">M</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2113">8</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1892">^G</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1892">17</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1862">^P</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1862">15</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="1802" y2="1802"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1802">AEQB</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1802">14</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="1772" y2="1772"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1772">CN4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1772">16</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="1712" y2="1712"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1712">^F3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1712">13</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1682">^F2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1682">11</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="1652" y2="1652"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1652">^F1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="1652">10</text>
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<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="1622">^F0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1715" y="1621">9</text>
<circle cx="1532" cy="1862" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="1682" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
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<circle cx="1692" cy="1682" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="1712" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="1862" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="1893" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1604" y="1562">U2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1547" y="2178">74LS181</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2362" y2="2362"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2362">^A0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="2362">2</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2392" y2="2392"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2392">^A1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="2392">23</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2422" y2="2422"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2422">^A2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="2422">21</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2452" y2="2452"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2452">^A3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="2452">19</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2512" y2="2512"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2512">^B0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="2510">1</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2542" y2="2542"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2542">^B1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="2541">22</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2572" y2="2572"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2572">^B2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="2571">20</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="2602" y2="2602"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="2602">^B3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="2601">18</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2672" y2="2672"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2672">S0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2670">6</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2702" y2="2702"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2702">S1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2701">5</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2732" y2="2732"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2732">S2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2731">4</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2762" y2="2762"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2762">S3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2761">3</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2822" y2="2822"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="2822">CN</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2823">7</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="2852" y2="2852"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1570" y="2852">M</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="2853">8</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2632" y2="2632"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2632">^G</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2632">17</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2602" y2="2602"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2602">^P</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2602">15</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="2542" y2="2542"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2542">AEQB</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2542">14</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="2512" y2="2512"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2512">CN4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2512">16</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2452" y2="2452"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2452">^F3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2452">13</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2422" y2="2422"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2422">^F2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2422">11</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2392" y2="2392"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2392">^F1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="2392">10</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="2362" y2="2362"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="2362">^F0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1715" y="2361">9</text>
<circle cx="1532" cy="2602" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="2422" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="2512" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="2452" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="2391" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1532" cy="2572" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1532" cy="2362" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1531" cy="2542" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="2363" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1692" cy="2393" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1692" cy="2422" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="2452" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="2602" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<circle cx="1691" cy="2633" fill="#ffffff" fill-opacity="0.5" r="4" stroke="#000000" stroke-width="5"/>
<rect fill="#ffffff" fill-opacity="0.5" height="550" stroke="#000000" stroke-width="5" width="150" x="1537" y="2322"/>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1604" y="2302">U3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1547" y="2918">74LS181</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3152" y2="3152"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3152">^A0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="3152">2</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3182" y2="3182"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3182">^A1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="3182">23</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3212" y2="3212"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3212">^A2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="3212">21</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3242" y2="3242"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3242">^A3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1519" y="3242">19</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3302" y2="3302"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3302">^B0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1506" y="3300">1</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3332" y2="3332"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3332">^B1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="3331">22</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3362" y2="3362"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3362">^B2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="3361">20</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1527" x2="1487" y1="3392" y2="3392"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1590" y="3392">^B3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1520" y="3391">18</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3462" y2="3462"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="3462">S0</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3460">6</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3492" y2="3492"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="3492">S1</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3491">5</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3522" y2="3522"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="3522">S2</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3521">4</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3552" y2="3552"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="3552">S3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3551">3</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3612" y2="3612"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1580" y="3612">CN</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3613">7</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1537" x2="1487" y1="3642" y2="3642"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1570" y="3642">M</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="end" x="1507" y="3643">8</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="3422" y2="3422"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="3422">^G</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="3422">17</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="3392" y2="3392"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="3392">^P</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="3392">15</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="3332" y2="3332"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="3332">AEQB</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="3332">14</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1687" x2="1737" y1="3302" y2="3302"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="3302">CN4</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="3302">16</text>
<line stroke="#000000" stroke-linecap="round" stroke-width="5" x1="1697" x2="1737" y1="3242" y2="3242"/>
<text alignment-baseline="central" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="middle" x="1654" y="3242">^F3</text>
<text alignment-baseline="after-edge" fill="#000000" font-family="Courier New" font-size="17" font-weight="400" text-anchor="start" x="1702" y="3242">13</text>
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<text alignment-baseline="after-edge" fill="#000000" font-family="Arial" font-size="25" font-weight="700" text-anchor="start" x="1604" y="3092">U4</text>
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